This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Solar System – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which element makes up the most composition of the Sun? A) Carbon. B) Hydrogen. C) Oxygen. D) Helium. Show Answer Correct Answer: B) Hydrogen. 2. Which of the following is an accurate model of how the Sun, Earth, and Moon move? A) Sun and moon orbit Earth. B) Earth and moon orbit Sun. C) Earth orbit's the Sun and the moon orbits Earth. D) Earth and sun orbit moon. Show Answer Correct Answer: C) Earth orbit's the Sun and the moon orbits Earth. 3. If the days are cold and short A) The Sun is colder than usual. B) Earth is tilted toward the Sun. C) Earth is tilted away from the Sun. D) The Sun is probably not tilted. Show Answer Correct Answer: C) Earth is tilted away from the Sun. 4. ..... move magma from the center of the Earth to the surface causing plates to move. A) Gravity. B) Convection Currents. C) Centrifugal Force. D) Velocity. Show Answer Correct Answer: B) Convection Currents. 5. A ..... is a huge system of billions of stars, clouds of dust and gases A) Galaxy. B) Asteroids. C) Meteors. D) Celestial bodies. Show Answer Correct Answer: A) Galaxy. 6. How many Moons does Mercury have? A) 2. B) 0. C) 1. D) 3. Show Answer Correct Answer: B) 0. 7. What are large chunks of rocks and metal in space? A) Asteroids. B) Earth. C) Comet. D) Gibbous. Show Answer Correct Answer: A) Asteroids. 8. Which gas was introduced by stromatolites and allowed for more complex life to exist on Earth? A) Carbon dioxide. B) Sulfur oxides. C) Water vapor. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 9. What keeps the planets in revolution around our sun? A) Nothing. B) Gravity. C) Earth's rotation. D) Orbital speed. Show Answer Correct Answer: B) Gravity. 10. What is at the Center of the Milky Way Galaxy? A) Nebula. B) Black Hole. C) Earth. D) Sun. Show Answer Correct Answer: B) Black Hole. 11. What characteristics do Earth and Venus share? A) They rotate in the same direction. B) They are both similar size and density. C) They have the same gases in their atmospheres. D) They were born at the same time. Show Answer Correct Answer: B) They are both similar size and density. 12. Many stars are much larger than the Sun. However, the Sun appears to be larger than all other stars because it is ..... A) The oldest star in the galaxy. B) The closest of all the stars we see. C) Much colder than the other stars. D) The only one with planets around it. Show Answer Correct Answer: B) The closest of all the stars we see. 13. Which of these best describes the atmosphere surrounding Venus? A) Hot and poisonous. B) Cold and wet. C) Bright and sunny. D) Cold and snowy. Show Answer Correct Answer: A) Hot and poisonous. 14. Select the order from smallest to largest. A) Sun, Milky Way, solar system, universe. B) Sun, solar system, universe, Milky Way. C) Sun, Milky Way, universe, solar system. D) Sun, solar system, Milky Way, universe. Show Answer Correct Answer: D) Sun, solar system, Milky Way, universe. 15. Which planet has the most visible rings? A) Neptune. B) Saturn. C) The sun. D) None of above. Show Answer Correct Answer: B) Saturn. 16. The curved path in which a planet, satellite, or spacecraft moves in a circle around another object. The path one object takes around another. A) Orbit. B) Rotate. C) Moon. D) Revolve. Show Answer Correct Answer: A) Orbit. 17. The tendency of an object to resist a change in motion-law that states that an object in motion has a tendency to remain in motion-also plays a role in keeping the planets in a curved orbit around the sun A) Inertia. B) Law of universal gravitation. C) Gravity. D) Astronomical law. Show Answer Correct Answer: A) Inertia. 18. The moon orbits the ..... A) Earth. B) Jupiter. C) Sun. D) Solar system. Show Answer Correct Answer: A) Earth. 19. Which statement is true about about the solar system? A) The planets are arranged by order of increasing size. B) The solid planets are closer to the sun. C) The solid planets are much larger than the gas giant planets. D) The gas giants are closer to the sun. Show Answer Correct Answer: B) The solid planets are closer to the sun. 20. What are the constellations? A) The amount of time it takes for light to travel in one year. B) The arrangement of stars, in a pattern in the Night Sky. C) A rotating cloud of gases and dust. D) Frozen debris. Show Answer Correct Answer: B) The arrangement of stars, in a pattern in the Night Sky. 21. Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun. A) Earth. B) Mercury. C) Mars. D) Venus. Show Answer Correct Answer: B) Mercury. 22. Which does NOT have an effect on how strongly the Sun pulls on an object in space? A) How far the object is away from the Sun. B) The mass of the Sun. C) The mass of the object. D) The fact that the Sun is made of a mixture of gases. Show Answer Correct Answer: D) The fact that the Sun is made of a mixture of gases. 23. Made up of a star and the planets and other space objects that revolve around it A) Sun. B) Comet. C) Planet. D) Solar system. Show Answer Correct Answer: D) Solar system. 24. Name the four Inner Planets A) Mars, Jupiter, Saturn, Earth. B) Mercury, Venus, Mars, Uranus. C) Mars, Venus, Earth, Neptune. D) Mercury, Venus, Earth, Mars. Show Answer Correct Answer: D) Mercury, Venus, Earth, Mars. 25. Name the star closest to Earth. A) Vega. B) Alpha Centauri. C) Sun. D) Polaris. Show Answer Correct Answer: C) Sun. 26. People used to think that Earth was the center if the solar system, They thought everything orbited around it. They called this the ..... model. A) Earth First. B) Egocentric. C) Solarology. D) Geocentric. Show Answer Correct Answer: D) Geocentric. 27. What is a large, ball-shaped body that revolves around the sun called? A) A meteor. B) An asteroid. C) A star. D) A planet. Show Answer Correct Answer: D) A planet. 28. Two planets with similar mass and size are ..... A) Mercury and Jupiter. B) Saturn and Uranus. C) Earth and Pluto. D) Venus and Earth. Show Answer Correct Answer: D) Venus and Earth. 29. Which formed first after the big bang? A) Cats. B) Every galaxy. C) All the solar systems. D) The universe. Show Answer Correct Answer: D) The universe. 30. Which correctly pairs the planet with how many moons it has? A) Mercury-None. B) Venus-2. C) Mars-3. D) Mercury-1. Show Answer Correct Answer: A) Mercury-None. 31. What is the difference between a meteor and a meteorite? A) A meteor burns up in the atmosphere, a meteorite hits the ground. B) A meteorite burns up in the atmosphere, a meteor hits the ground. C) Both meteors and meteorites hit the ground. D) Both make impact craters. Show Answer Correct Answer: A) A meteor burns up in the atmosphere, a meteorite hits the ground. 32. These planets have more mass, they are large and gaseous, and farther from the sun. A) Asteroids. B) Meteors. C) Inner planets. D) Outer planets. Show Answer Correct Answer: D) Outer planets. 33. Together a star and all the planets and other object orbiting it form a(n) A) Solar system. B) Galaxy. C) Asteroid. D) Star. Show Answer Correct Answer: A) Solar system. 34. The planet made up of mostly hydrogen and helium? A) Jupiter. B) Neptune. C) Venus. D) Earth. Show Answer Correct Answer: A) Jupiter. 35. What is one fact about Neptune? A) It was discovered in 1846. B) Its atmosphere is capable of supporting life. C) It is the largest planet in the solar system. D) It has many impact craters from meteorites. Show Answer Correct Answer: A) It was discovered in 1846. 36. A planet made of mostly gases, such as Hydrogen or Helium A) Gas Planet. B) Gaseous Planet. C) Rocky Planet. D) Terrestrial Planet. Show Answer Correct Answer: B) Gaseous Planet. 37. How do stars glow? A) They reflect the sun's light. B) Nuclear reactions in the stars core produce Energy that eventually reaches the surface. C) Electricity that is generated in the star's core. D) The movement of particles in the Earth's atmosphere. Show Answer Correct Answer: B) Nuclear reactions in the stars core produce Energy that eventually reaches the surface. 38. What two forms of energy does the sun give off? A) Heat and electrical. B) Heat and light. C) Potential and chemical. D) Chemical and light. Show Answer Correct Answer: B) Heat and light. 39. The correct term for the way Earth spins on it's axis is .....? A) Rotate. B) Rings. C) Revolve. D) Year. Show Answer Correct Answer: A) Rotate. 40. An astronomical unit (AU) is the average distance A) Between Mercury and the sun. B) Between Mercury and Pluto. C) Light travels in 1 minute. D) Between Earth and the sun. Show Answer Correct Answer: D) Between Earth and the sun. 41. Which is saturns moon A) Rellos. B) Moonia. C) Rhea. D) Charon. Show Answer Correct Answer: C) Rhea. 42. A rocky body that orbits around a planet. A) Sun. B) Star. C) Axis. D) Moon. Show Answer Correct Answer: D) Moon. 43. What percentage of the mass in the nebula will the Sun accumulate? A) 50%. B) 1%. C) 75%. D) 99%. Show Answer Correct Answer: D) 99%. 44. Where is the asteroid belt? A) Between the inner and outer planets. B) Past Pluto. C) All over our solar system. D) Between Earth and Venus. Show Answer Correct Answer: A) Between the inner and outer planets. 45. The primary force behind planetary orbits is A) Gravity. B) Electricity. C) Friction. D) Magnetism. Show Answer Correct Answer: A) Gravity. 46. How long does it take to go through the phases of the Moon cycle? A) About one day. B) About one month. C) About one decade. D) About one year. Show Answer Correct Answer: B) About one month. 47. Choose the third planet in the solar system. A) Earth. B) Neptune. C) Jupter. D) Mars. Show Answer Correct Answer: A) Earth. 48. Ptolemy and Aristotle believed A) Planets were rocks. B) Earth and Moon traveled around the Sun. C) The Sun and planets traveled around Earth. D) The Sun never moved. Show Answer Correct Answer: C) The Sun and planets traveled around Earth. 49. ..... Earths can be fit into Jupiter. A) 130. B) 1300. C) 130 000. D) None of above. Show Answer Correct Answer: B) 1300. 50. The largest known volcano in the solar system is an extinct volcano known as Olympus Mons found on the planet ..... A) Mars. B) Mercury. C) Jupiter. D) Venus. Show Answer Correct Answer: A) Mars. 51. What was the initial explosion that resulted in the formation and expansion of the universe? A) Big bang. B) Large bang. C) Big boom. D) Large boom. Show Answer Correct Answer: A) Big bang. 52. Mars orbits farther from the Sun than A) Saturn. B) Jupiter. C) Neptune. D) Venus. Show Answer Correct Answer: D) Venus. 53. Jupiter, Uranus, Saturn and Neptune are known as ..... planets. A) Gaseous. B) Terrestrial. C) Asteroid. D) None of above. Show Answer Correct Answer: A) Gaseous. 54. Which star has the highest apparent magnitude because it is closer to Earth? A) Antares. B) Polaris the North Star. C) Our Sun. D) Sirius. Show Answer Correct Answer: C) Our Sun. 55. How long does it take the Earth to revolve around the Sun? A) 365 days. B) 28 days. C) 24 hours + 6 hours. D) 24 hours. Show Answer Correct Answer: A) 365 days. 56. ..... published the Sun-centered model of the solar system in 1543. A) Magellan. B) Copernicus. C) Kepler. D) Galileo. Show Answer Correct Answer: B) Copernicus. 57. A force of attraction between any two objects is called ..... A) Rotation. B) Gravity. C) Orbit. D) Static electricity. Show Answer Correct Answer: B) Gravity. 58. What is one fact about Jupiter? A) Its axis of rotation is very tilted. B) It is the least dense of the planets. C) It doesn't have enough gravity to keep an atmosphere. D) It has at least 63 moons. Show Answer Correct Answer: D) It has at least 63 moons. 59. The existence of the force of gravity explains why the Moon A) Appears to change in size each month. B) Has no atmosphere. C) Appears brighter on different nights. D) Orbits around Earth. Show Answer Correct Answer: D) Orbits around Earth. 60. Which planet that people live on? A) Jupiter. B) Earth. C) Mars. D) Uranus. Show Answer Correct Answer: B) Earth. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesSolar System Quiz 1Solar System Quiz 2Solar System Quiz 3Solar System Quiz 4Solar System Quiz 5Solar System Quiz 6Solar System Quiz 7Solar System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books